AirStage ABYA045GTEH Посібник з монтажу - Сторінка 11
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Друкувати сторінку6.5. Optional parts wiring
6.5.1. Layout of the indoor unit PCB
CN106
CNB01 CNA01 CNA03
CN65
CN820
Name
Power indicator lamp (green) Indicates the state of the power supply. Refer to "Power
indicator lamp status" following.
CNA01
Apply voltage terminal
CNA03
CNA02
Dry contact terminal
CNA04
DIP switch SET 2 (SW2)
Input signal type switching
CNB01
Output terminal
CN65
For one of the following.
• MODBUS® convertor (*1)
• Wireless LAN adapter (*1)
CNA05
For Drain pump unit (*1)
CN106
CN820
For External power supply unit (*1)
*1: For details, refer to each installation manual.
6.5.2. Power indicator lamp status
Power indicator lamp (Green)
Lit
Lit when the power is turned on.
There is a fault with the communication board or the
Fast flashing (every 0.1
main board.
second)
The indoor unit is turned off and power is supplied
Blinking (repeat 3 seconds ON
from the External power supply unit (optional) to the
and 1 second OFF)
indoor unit PCB.
6.5.3 Connection methods
Wire modification for External
input/output wire
(1) Remove insulation from wire at-
tached to wire kit connector.
(2) Remove insulation from field
supplied cable. Use crimp type
insulated butt connector to join field
cable and wire kit wire.
(3) Connect the wire with connecting
wire with solder.
Wiring arrangement
In following figure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
Power supply PCB
CNA02
Controller PCB
CNA04
CNA05
Power indicator
lamp (green)
DIP switch
(SET 2)
Application
For external input
For external output
Status contents
IMPORTANT:
Be sure to insulate the connection between the
wires.
Locally
Wire kit connector
purchased
(optional parts)
Solder and insulate the connected parts.
Clamp
Cable tie (locally purchased)
6.6. External input and external output (Optional parts)
(1) External input
• Indoor unit can be Operation/Stop, Emergency stop or Forced stop by using indoor unit
PCB CNA01 or CNA02.
• "Operation/Stop" mode, "Emergency stop" mode or "Forced stop" mode can be selected
with function setting of indoor unit.
• Indoor unit can be Forced thermostat off by using indoor unit PCB CNA03 or CNA04.
• A twisted pair cable (22 AWG) should be used. Maximum length of cable is 150 m.
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• The wire connection should be separate from the power cable line.
Input select
Use either one of these types of terminal according to the application. (Both types of
terminals cannot be used simultaneously.)
● Apply voltage terminal ([CNA01], [CNA03])
When a power supply must be provided at the input device you want to connect, use the
Apply voltage terminal ([CNA01], [CNA03]).
DC power supply
12 to 24V
Load
resistance
*a
Load
resistance
*a
Load
resistance
*a
connected unit
*1 Make the power supply DC12 to 24V. Select a power supply capacity with an ample
surplus for the connected load.
Do not impress a voltage exceeding 24V across pins 1-2, and 1-3.
*a The allowable current is DC 5mA to 10mA. (Recommended: DC5mA)
Provide a load resistance such that the current becomes DC10mA or less.
Select very low current use contacts (usable at DC12V, DC1mA or less).
*b The polarity is [+] for pin 1 and [-] for pin 2 and 3. Connect correctly.
When connected to Apply voltage terminals of multiple indoor units with a connected unit, be
sure to make a branch outside the indoor unit using a pull box, etc. as shown on below example.
DC power supply
12 to 24V
Load
resistance
Load
resistance
connected unit
*1
P.C.B
CNA01
*b
CNA03
P.C.B
CNA01
P.C.B
CNA01
P.C.B
CNA01
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